import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters } from '@/api/menu'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'

// 匹配views里面所有的.vue文件
const modules = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore = defineStore(
  'permission',
  {
    state: () => ({
      routes: [],
      addRoutes: [],
      defaultRoutes: [],
      topbarRouters: [],
      sidebarRouters: []
    }),
    actions: {
      setRoutes(routes) {
        this.addRoutes = routes
        this.routes = constantRoutes.concat(routes)
      },
      setDefaultRoutes(routes) {
        this.defaultRoutes = constantRoutes.concat(routes)
      },
      setTopbarRoutes(routes) {
        this.topbarRouters = routes
      },
      setSidebarRouters(routes) {
        this.sidebarRouters = routes
      },
      generateRoutes(roles) {
        return new Promise(resolve => {
          // 向后端请求路由数据
          getRouters().then(res => {
             // 模拟后端数据
            res.data= [
              {
                name: "System",
                path: "/system",
                hidden: false,
                redirect: "noRedirect",
                component: "Layout",
                alwaysShow: true,
                meta: {
                  title: "系统管理",
                  icon: "system",
                  noCache: false,
                  link: null,
                },
                children: [
                  {
                    name: "User",
                    path: "user",
                    hidden: false,
                    component: "system/user/index",
                    meta: {
                      title: "用户管理",
                      icon: "user",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Role",
                    path: "role",
                    hidden: false,
                    component: "system/role/index",
                    meta: {
                      title: "角色管理",
                      icon: "peoples",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Menu",
                    path: "menu",
                    hidden: false,
                    component: "system/menu/index",
                    meta: {
                      title: "菜单管理",
                      icon: "tree-table",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Dept",
                    path: "dept",
                    hidden: false,
                    component: "system/dept/index",
                    meta: {
                      title: "部门管理",
                      icon: "tree",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Post",
                    path: "post",
                    hidden: false,
                    component: "system/post/index",
                    meta: {
                      title: "岗位管理",
                      icon: "post",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Dict",
                    path: "dict",
                    hidden: false,
                    component: "system/dict/index",
                    meta: {
                      title: "字典管理",
                      icon: "dict",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Config",
                    path: "config",
                    hidden: false,
                    component: "system/config/index",
                    meta: {
                      title: "参数设置",
                      icon: "edit",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Notice",
                    path: "notice",
                    hidden: false,
                    component: "system/notice/index",
                    meta: {
                      title: "通知公告",
                      icon: "message",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Log",
                    path: "log",
                    hidden: false,
                    redirect: "noRedirect",
                    component: "ParentView",
                    alwaysShow: true,
                    meta: {
                      title: "日志管理",
                      icon: "log",
                      noCache: false,
                      link: null,
                    },
                    children: [
                      {
                        name: "Operlog",
                        path: "operlog",
                        hidden: false,
                        component: "monitor/operlog/index",
                        meta: {
                          title: "操作日志",
                          icon: "form",
                          noCache: false,
                          link: null,
                        },
                      },
                      {
                        name: "Logininfor",
                        path: "logininfor",
                        hidden: false,
                        component: "monitor/logininfor/index",
                        meta: {
                          title: "登录日志",
                          icon: "logininfor",
                          noCache: false,
                          link: null,
                        },
                      },
                    ],
                  },
                ],
              },
              {
                name: "Monitor",
                path: "/monitor",
                hidden: false,
                redirect: "noRedirect",
                component: "Layout",
                alwaysShow: true,
                meta: {
                  title: "系统监控",
                  icon: "monitor",
                  noCache: false,
                  link: null,
                },
                children: [
                  {
                    name: "Online",
                    path: "online",
                    hidden: false,
                    component: "monitor/online/index",
                    meta: {
                      title: "在线用户",
                      icon: "online",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Job",
                    path: "job",
                    hidden: false,
                    component: "monitor/job/index",
                    meta: {
                      title: "定时任务",
                      icon: "job",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Druid",
                    path: "druid",
                    hidden: false,
                    component: "monitor/druid/index",
                    meta: {
                      title: "数据监控",
                      icon: "druid",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Server",
                    path: "server",
                    hidden: false,
                    component: "monitor/server/index",
                    meta: {
                      title: "服务监控",
                      icon: "server",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Cache",
                    path: "cache",
                    hidden: false,
                    component: "monitor/cache/index",
                    meta: {
                      title: "缓存监控",
                      icon: "redis",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "CacheList",
                    path: "cacheList",
                    hidden: false,
                    component: "monitor/cache/list",
                    meta: {
                      title: "缓存列表",
                      icon: "redis-list",
                      noCache: false,
                      link: null,
                    },
                  },
                ],
              },
              {
                name: "Tool",
                path: "/tool",
                hidden: false,
                redirect: "noRedirect",
                component: "Layout",
                alwaysShow: true,
                meta: {
                  title: "系统工具",
                  icon: "tool",
                  noCache: false,
                  link: null,
                },
                children: [
                  {
                    name: "Build",
                    path: "build",
                    hidden: false,
                    component: "tool/build/index",
                    meta: {
                      title: "表单构建",
                      icon: "build",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Gen",
                    path: "gen",
                    hidden: false,
                    component: "tool/gen/index",
                    meta: {
                      title: "代码生成",
                      icon: "code",
                      noCache: false,
                      link: null,
                    },
                  },
                  {
                    name: "Swagger",
                    path: "swagger",
                    hidden: false,
                    component: "tool/swagger/index",
                    meta: {
                      title: "系统接口",
                      icon: "swagger",
                      noCache: false,
                      link: null,
                    },
                  },
                ],
              },
            ];
            const sdata = JSON.parse(JSON.stringify(res.data))
            const rdata = JSON.parse(JSON.stringify(res.data))
            const defaultData = JSON.parse(JSON.stringify(res.data))
            const sidebarRoutes = filterAsyncRouter(sdata)
            const rewriteRoutes = filterAsyncRouter(rdata, false, true)
            const defaultRoutes = filterAsyncRouter(defaultData)
            const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
            asyncRoutes.forEach(route => { router.addRoute(route) })
            this.setRoutes(rewriteRoutes)
            this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
            this.setDefaultRoutes(sidebarRoutes)
            this.setTopbarRoutes(defaultRoutes)
            resolve(rewriteRoutes)
          })
        })
      }
    }
  })

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach(el => {
    el.path = lastRouter ? lastRouter.path + '/' + el.path : el.path
    if (el.children && el.children.length && el.component === 'ParentView') {
      children = children.concat(filterChildren(el.children, el))
    } else {
      children.push(el)
    }
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  routes.forEach(route => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view) => {
  let res
  for (const path in modules) {
    const dir = path.split('views/')[1].split('.vue')[0]
    if (dir === view) {
      res = () => modules[path]()
    }
  }
  return res
}

export default usePermissionStore
